The authors derive a GHZ-FR paradox from strong contextuality that avoids post-selection and quantum reasoning by modeled observers, unlike the original FR paradox.
Szangolies, The quantum Rashomon effect: A strengthened Frauchiger-Renner argument (2020), arXiv:2011.12716 [quant-ph]
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Free choices lack absoluteness in an extended Wigner's friend scenario based on the Pusey-Barrett-Rudolph theorem under locality.
The Noncontextual Friendliness no-go theorem proves quantum theory incompatible with Absoluteness of Observed Events and Noncontextual Agency, generalizing the Local Friendliness theorem.
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A refined Frauchiger--Renner paradox based on strong contextuality
The authors derive a GHZ-FR paradox from strong contextuality that avoids post-selection and quantum reasoning by modeled observers, unlike the original FR paradox.
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Are free choices absolute, when internalized in Wigner's friend?
Free choices lack absoluteness in an extended Wigner's friend scenario based on the Pusey-Barrett-Rudolph theorem under locality.
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An extended Wigner's friend no-go theorem inspired by generalized contextuality
The Noncontextual Friendliness no-go theorem proves quantum theory incompatible with Absoluteness of Observed Events and Noncontextual Agency, generalizing the Local Friendliness theorem.